Mercurial > sdl-ios-xcode
view test/testsem.c @ 1165:4fa705cdecb9
Date: Tue, 1 Nov 2005 02:51:09 +0000
From: Mike Frysinger <vapier@gentoo.org>
To: sdl@libsdl.org
Subject: Re: [SDL] libsdl needs some tweaks for DirectFB 0.9.23
On Fri, Oct 28, 2005 at 01:23:57AM +0000, Mike Frysinger wrote:
> the new release of DirectFB breaks the libsdl DirectRB video module
>
> specifically, this change:
> http://www.directfb.org/index.php/viewcvs.cgi/DirectFB/include/directfb.h.diff?r1=1.266&r2=1.267
>
> but (unless i missed something), it should be trivial to fix (just annoying)
> ... ive done so in Gentoo (also attached):
> http://viewcvs.gentoo.org/media-libs/libsdl/files/libsdl-1.2.9-DirectFB-updates.patch
hmm, i did miss something ... need to include directfb_version.h before trying
to test version defines :)
updated patch attached as well as previous URL
-mike
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Tue, 01 Nov 2005 04:18:08 +0000 |
parents | be9c9c8f6d53 |
children | 4d3bb026cd16 |
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/* Simple test of the SDL semaphore code */ #include <stdio.h> #include <stdlib.h> #include <signal.h> #include "SDL.h" #include "SDL_thread.h" #define NUM_THREADS 10 static SDL_sem *sem; int alive = 1; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_Quit(); exit(rc); } int ThreadFunc(void *data) { while ( alive ) { SDL_SemWait(sem); fprintf(stderr, "Thread number %d has got the semaphore (value = %d)!\n", (int)data, SDL_SemValue(sem)); SDL_Delay(200); SDL_SemPost(sem); fprintf(stderr, "Thread number %d has released the semaphore (value = %d)!\n", (int)data, SDL_SemValue(sem)); SDL_Delay(1); /* For the scheduler */ } printf("Thread number %d exiting.\n", (int)data); return 0; } static void killed(int sig) { alive = 0; } int main(int argc, char **argv) { SDL_Thread *threads[NUM_THREADS]; int i, init_sem; if(argc < 2) { fprintf(stderr,"Usage: %s init_value\n", argv[0]); return(1); } /* Load the SDL library */ if ( SDL_Init(0) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); return(1); } signal(SIGTERM, killed); signal(SIGINT, killed); init_sem = atoi(argv[1]); sem = SDL_CreateSemaphore(init_sem); printf("Running %d threads, semaphore value = %d\n", NUM_THREADS, init_sem); /* Create all the threads */ for( i = 0; i < NUM_THREADS; ++i ) { threads[i] = SDL_CreateThread(ThreadFunc, (void*)i); } /* Wait 10 seconds */ SDL_Delay(10 * 1000); /* Wait for all threads to finish */ printf("Waiting for threads to finish\n"); alive = 0; for( i = 0; i < NUM_THREADS; ++i ) { SDL_WaitThread(threads[i], NULL); } printf("Finished waiting for threads\n"); SDL_DestroySemaphore(sem); SDL_Quit(); return(0); }